{"product_id":"70-duro-metric-buna-5-3x185-1-pcs-per-bag_zmush5-3x185b1","title":"Black Buna-N O-Ring | 185mm ID x 5.3mm Wide | 70 Durometer (8\/Pkg.)","description":"\u003cdiv\u003e\n\u003cp\u003eHigh-precision Buna-N O-rings designed for metric assemblies with a 185 millimeter inner diameter and a 5.3 millimeter cross-section. The 70 Shore A hardness provides stable compression for consistent seal integrity in tight installations and compact enclosures.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eInner diameter:\u003c\/b\u003e 185 millimeter\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCross-section thickness:\u003c\/b\u003e 5.3 millimeter\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Buna-N (Nitrile rubber)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHardness:\u003c\/b\u003e 70 Shore A\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePackaging:\u003c\/b\u003e 8-pack; 1 piece per bag\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eSealing performance:\u003c\/b\u003e Buna-N formulation provides reliable sealing across general mechanical assemblies within metric hardware systems.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompression stability:\u003c\/b\u003e 70 Shore A hardness yields consistent seal integrity across repeated cycles and loading.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCut-to-fit flexibility:\u003c\/b\u003e Trim to match gaps and contours of metric hardware, enabling precise gasket seating for tight tolerances.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompact geometry:\u003c\/b\u003e 5.3 millimeter cross-section with a 185 millimeter inner diameter supports use in small enclosures and tight installations.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eInventory control:\u003c\/b\u003e Single-piece packaging per bag simplifies handling and improves stock accuracy in maintenance workflows.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":52348158738711,"sku":"ZMUSH5.3X185B1","price":31.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/Standard_Buna-N_O-Rings_28862b84-5a17-42d2-907d-8a4a68729227.webp?v=1772396356","url":"https:\/\/mutualscrew.com\/products\/70-duro-metric-buna-5-3x185-1-pcs-per-bag_zmush5-3x185b1","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}